Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-bayesian-statistics-974-en_uva-bayesian-statistics-974-en
    nameuva-bayesian-statistics-974-en
    sectionInferential Statistics/Bayesian Statistics
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.652
    p-value0.4425

    Question

    Suppose it is known that 0.1 of Dutch women have disease D. There is a test to detect this disease. That test is not always reliable: in 0.05 of the cases in which the person concerned has the disease the test gives the result as healthy. And 0.05 of the women who are not sick get a positive result that they are sick. Marja has taken such a test. What are the chances of her getting a positive result get?


    1. FALSE: 0,001
    2. FALSE: 0,019
    3. TRUE: 0,051
    4. FALSE: 0,958

    1. 0.001: Incorrect
    2. 0,019: Incorrect
    3. 0.051: Correct
    4. 0.958: Incorrect